* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(library.JPG) no-repeat center;
    background-size: cover;
    position: relative;
    font-family: "Microsoft Yahei", "Hiragino Sans GB", "Helvetica Neue",
    Helvetica, tahoma, arial, "WenQuanYi Micro Hei", Verdana, sans-serif,
    "\5B8B\4F53";
}

header {
    width: 100%;
    height: 50px;
    margin: 20px aotu;
    position: absolute;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    font-size: 1.5em;
    background: #3498db;
}
header div {
    cursor: pointer;
    color: #c7ecee;
}
header > div > strong {
    display: inline-block;
    transition: 1s;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    text-align: center;
    background: #0652dd;
    text-shadow: 5px 5px 4px rgba(21, 4, 97, 0.8);
    padding: 5px;
}
header div:hover > strong:nth-of-type(1) {
    transform: rotate(720deg);
    background: #8e44ad;
    color: white;
}
header div:hover > strong:nth-of-type(4) {
    transform: rotate(-720deg);
    background: #e84118;
    color: white;
}
header div:hover > strong:nth-of-type(5) {
    transform: rotate(-720deg);
    background: #e84118;
    color: white;
}
header div:hover > strong:nth-of-type(8) {
    transform: rotate(720deg);
    background: #4cd137;
    color: white;
}

.loginWraper {
    width: 600px;
    height: 400px;
    border: solid 1.3px #3498db;
    box-shadow: 0px 10px 20px rgba(7, 7, 7, 0.6);
    background-color: rgba(214, 222, 245, 0.3);
}

.form {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    grid-template-columns: repeat(6, 1fr);
}

.une {
    grid-row-start: 1;
    grid-column-start: 1;
    grid-row-end: 2;
    grid-column-end: 7;
    display: grid;
    grid-template-columns: 2fr 4fr;
}
.une label {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 40px;
    font-size: 30px;
    color: #1b689b;
}
.une > div {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-left: 10px;
}
.une > div input {
    height: 40px;
    width: 300px;
    padding: 8px;
    box-sizing: border-box;
    border: solid 1px #cccccc;
    outline: none;
    box-shadow: 0 0 10px rgba(8, 0, 0, 0.7);
    background: #f0f5f8;
    font-size: 16px;
    color: #333333;
}
.une > div:hover input {
    border: solid 1px #3498db;
}

.pwd {
    grid-row-start: 2;
    grid-column-start: 1;
    grid-row-end: 3;
    grid-column-end: 7;
    display: grid;
    grid-template-columns: 2fr 4fr;
}
.pwd label {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 40px;
    font-size: 30px;
    color: #1b689b;
}
.pwd > div {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-left: 10px;
}
.pwd > div input {
    height: 40px;
    width: 300px;
    padding: 8px;
    box-sizing: border-box;
    border: solid 1px #cccccc;
    outline: none;
    box-shadow: 0 0 10px rgba(8, 0, 0, 0.7);
    background: #f0f5f8;
    font-size: 16px;
    color: #333333;
}
.pwd > div:hover input {
    border: solid 1px #3498db;
}

.cpt {
    grid-row-start: 3;
    grid-column-start: 1;
    grid-row-end: 4;
    grid-column-end: 7;
    display: grid;
    grid-template-columns: 2fr 4fr;
}
.cpt > .cpt_2 {
    margin-left: 10px;
    display: grid;
    grid-template-rows: repeat(2, 1fr);
}

.cpt > .cpt_2 input {
    outline: none;
    border: solid 1px #2980b9;
    box-sizing: border-box;
    font-size: 16px;
    color: #333333;
}
.cpt > .cpt_2 > div img {
    width: 100px;
}

a {
    text-decoration: none;
    color: #143352;
}
a:hover {
    color: #820eb4;
}

.btn {
    grid-row-start: 4;
    grid-column-start: 1;
    grid-row-end: 5;
    grid-column-end: 7;
    display: grid;
    grid-template-columns: 2fr 4fr;
}
.btn > .btn_2 {
    display: grid;
    grid-template-rows: repeat(2, 1fr);
    margin-left: 10px;
}
.btn > .btn_2 > label {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #333333;
}
.btn > .btn_2 > input {
    outline: none;
    background: #2ecc71;
    width: 120px;
    height: 50px;
    padding: 5px;
    border: solid 1px #2ecc71;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1.3em;
    color: white;
}
.btn > .btn_2 > input:hover {
    background: #27ae60;
    border: solid 1px #27ae60;
}

footer {
    width: 100%;
    height: 60px;
    position: absolute;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #2c3e50;
}
footer span {
    font-size: 1.5em;
    color: white;
    padding: 10px;
}
